2041060

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{239}}^1$

素因数の和:316

約数の個数: 48

約数和(自身を含む): 4999680

約数和(自身を除く): 2958620

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 61, 70, 122, 140, 239, 244, 305, 427, 478, 610, 854, 956, 1195, 1220, 1673, 1708, 2135, 2390, 3346, 4270, 4780, 6692, 8365, 8540, 14579, 16730, 29158, 33460, 58316, 72895, 102053, 145790, 204106, 291580, 408212, 510265, 1020530, 2041060]

約数ペア:

[(1, 2041060), (2, 1020530), (4, 510265), (5, 408212), (7, 291580), (10, 204106), (14, 145790), (20, 102053), (28, 72895), (35, 58316), (61, 33460), (70, 29158), (122, 16730), (140, 14579), (239, 8540), (244, 8365), (305, 6692), (427, 4780), (478, 4270), (610, 3346), (854, 2390), (956, 2135), (1195, 1708), (1220, 1673)]